package thread;
//     juc java并发包
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

/** 线程池
 *
 */
public class ThreadPoolDemo {
    public static void main(String[] args) {
        ExecutorService threadPool = Executors.newFixedThreadPool(2);
        for(int i=0;i<10;i++) {
            Runnable r = new Runnable() {
                public void run(){
                    try {
                        Thread t = Thread.currentThread();
                        System.out.println(t.getName()+"正在执行一个任务...");
                        Thread.sleep(3000);
                        System.out.println(t.getName()+"执行任务完毕！");
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                }
                };
            threadPool.execute(r);
            System.out.println("执行任务");
            }
        threadPool.shutdown();
        System.out.println("停止线程池");


    }
}
